Which AI for which job?
There's no universal best AI — there's the right one for the task in front of you. ChatGPT, Claude, Gemini, Perplexity, Copilot, and Grok are each shaped for different work.
You'll make the call on real tasks, see the right pick and why, and walk away with a 10-second decision tree. About 8 minutes.
01 · "Which AI is best?" is the wrong question
Asking which AI is best is like asking which kitchen knife is best. A chef's knife chops vegetables; a bread knife slices bread; a paring knife peels an apple. One knife handles most jobs — but you'll struggle on the rest.
Which question actually helps you choose?
02 · Match the task: current facts
Which AI do you reach for?
03 · Match the task: inside your tools
Which AI fits best?
04 · The three mismatches that waste time
Most wasted AI time comes from three avoidable mismatches: using a chat AI for current facts, using Copilot for general writing outside M365, and forcing one AI to do everything because switching feels annoying.
Which of these is the wrong tool for the job?
Lesson complete
The habit to keep: before you reach for an AI, ask "what kind of work is this?" Perplexity for facts, Copilot/Gemini inside your suite, Claude for long-form, ChatGPT as the default — and keep 2–3 open.
Run a 10-second decision tree, match the AI to the task instead of the reverse, and avoid the three mismatches that waste people's time.
Lesson 4 · When NOT to use AI